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1029
resultados
Última actualización
24/01/2026 [07:10:00]
Resultados 200 a 225 de 1029
Resumen de: WO2026016059A1
Provided in the present application are a secondary battery, a battery device and an electric device. A negative electrode sheet in the secondary battery comprises a negative electrode current collector and a negative electrode film layer, wherein the negative electrode film layer is arranged on at least one side of the negative electrode current collector and comprises a negative electrode active material. The negative electrode active material comprises graphite, and the powder compaction density of the negative electrode active material under 20,000 N is 1.5 g/cm3 to 1.85 g/cm3. An electrolyte comprises an organic solvent and an organic additive, wherein the organic solvent comprises a first solvent, the first solvent comprising a cyclic carbonate, and the mass content of the first solvent being 17-34% based on the total mass of the electrolyte; and the organic additive comprises a first additive and a second additive, the first additive comprising vinylene carbonate, the second additive comprising an ethylene carbonate derivative, and based on the total mass of the electrolyte, the mass content of the first additive being 1.5-8%, and the mass content of the second additive being 0.5-4%.
Resumen de: US20260025023A1
Disclosed is a method to rectify the discharge profile of a rechargeable battery so that the discharge current is greater than the charge current. The method includes two steps. The first step is an intermittent or pulsed discharge current protocol. It assures that the pulse discharge current is always higher than the charge current while the nominal discharge current is lower than the charge current. The second step includes a converter, that is used to convert the pulsed discharge current profile from the rechargeable battery into a continuous discharge current profile wherein the continuous current is smaller than the rechargeable battery charge current. The disclosed rectification method enables the rechargeable battery to power a device at an optimally lower rate for a certain applications with a significantly extended cycle life for the rechargeable battery.
Resumen de: US20260025022A1
A battery control apparatuses may include a measuring unit for measuring a voltage of a battery, a memory for storing a multi-stage charging protocol data, and a processor for identifying a SOC of the battery based on the voltage measurement value. The processor may perform a temporary discharging procedure, when the SOC of the battery reaches the first criterion SOC while the constant current charging procedure using the first current rate is in progress. The processor may also determine an adjusted second current rate different from the second current rate based on discharging information of the temporary discharging procedure and, after the temporary discharging procedure is finished, perform a constant current charging procedure using the adjusted second current rate.
Resumen de: US20260024861A1
The present disclosure provides a battery cell of the present disclosure including: an electrode assembly including a plurality of electrode plates and a plurality of separators; a pouch including a body portion accommodating the electrode assembly and a sealing portion sealing at least a portion of a circumference of the body portion; an electrode lead electrically connected to the electrode assembly; and a pressure compensation member disposed between the electrode assembly and the body portion, and the electrode assembly includes a uniform thickness region including a center of the electrode assembly, and a low thickness region disposed closer to the electrode lead than to the uniform thickness region, and the pressure compensation member is disposed between the low thickness region and an inner surface of the body portion in a thickness direction of the electrode assembly.
Resumen de: US20260025019A1
A battery pack assembly configured to supply power to a common load includes a backpack wearable on a back of a user, at least one battery arranged in the backpack and electrically coupled to the common load via a tether, and a communications interface operable between the battery pack and the common load. The communications interface is configured to perform one or more operations, including but not limited to receiving and transmitting operational information to and from the battery pack and the common load, the operational information relating to at least one of the battery pack or the common load.
Resumen de: US20260024862A1
An energy storage apparatus includes an energy storage unit that includes a plurality of energy storage devices arrayed in a first direction, a holding member that holds the energy storage unit, an outer case that accommodates the energy storage unit and the holding member, a first joint that joins the energy storage unit and the holding member by adhesion or welding, and a second joint that joins the holding member and the outer case by adhesion or welding.
Resumen de: US20260024818A1
An electrochemical device includes a positive electrode, a negative electrode, a separator, and an electrolyte. The positive electrode includes a positive active material. The positive active material includes aluminum. Based on a mass of the positive active material, a mass percentage of the aluminum is x %. The electrolyte includes carboxylate and fluoroethylene carbonate. Based on a mass of the electrolyte a mass percentage of the carboxylate is m %, and a mass percentage of the fluoroethylene carbonate is n %. The electrochemical device satisfies: (1) x falls within a range of 0.01 to 1.00; and (2) 0.3≤m/n≤55, and preferably 5≤m/n≤16.
Resumen de: US20260024764A1
A cathode electrode includes a cathode current collector and a cathode active material layer arranged on at least one side of the cathode current collector. The cathode active material layer includes cathode active material comprising a plurality of cores each including a single crystal particle and a high entropy layer encapsulating each of the single crystal particles of the plurality of cores. The high entropy layer includes at least 5 different transition metal elements.
Resumen de: US20260024815A1
An electrical energy storage device disclosed herein includes an electrode body including a positive electrode and a negative electrode. The negative electrode includes a negative electrode current collector and a negative electrode active material layer. When the negative electrode active material layer is divided into two virtually in a thickness direction, in which a region that is close to the negative electrode current collector is a lower layer region and a region that is far from the negative electrode current collector is an upper layer region, the content of a sodium element in the lower layer region is lower than the content of the sodium element in the upper layer region.
Resumen de: US20260024756A1
A negative electrode material includes porous silicon-carbon particles. The porous silicon-carbon particle includes a porous carbon matrix, a first silicon carbide layer located on an inner wall surface of pores of the porous carbon matrix, and a first silicon particle layer located on a side surface of the first silicon carbide layer facing away from the inner wall surface. The porous carbon matrix, the first silicon carbide layer, and the first silicon particle layer are connected through Si—C covalent bonds.
Resumen de: US20260024826A1
A connector module according to an embodiment of the present invention includes a first connector provided with a first conductive part, and a second connector inserted into and mounted on the first connector and provided with a second conductive part electrically connected to the first conductive part, wherein the first connector may include a protrusion protruding from the inner bottom surface, with the first conductor mounted thereon.
Resumen de: WO2026016117A1
Provided is an inorganic solid-state electrolyte. An organic ligand, a zinc halide, and a hydrohalic acid are subjected to heat treatment in a sealed dry environment, and the reaction product resulting from the heat treatment is filtered and washed to obtain a halogen-based organically coupled inorganic solid-state electrolyte material. With regard to the provided inorganic solid-state electrolyte, by screening the types of the organic ligand and the zinc halide and adjusting the molar ratio of the organic ligand and the zinc halide, a solid-state electrolyte having high ionic conductivity, excellent thermal stability and chemical stability, good mechanical strength, and a wide electrochemical window is prepared to perfectly solve the problem of side reactions at an interface between a zinc metal negative electrode and the electrolyte, thereby improving the electrochemical stability of a solid-state ion battery. Further provided is a solid-state ion battery comprising the inorganic solid-state electrolyte.
Resumen de: WO2026016155A1
A battery (100) comprises a box body (10), first battery cells (30) and second battery cells (40), the plurality of first battery cells (30) being arranged in a first direction (X) to form first battery cell groups (301), and each first battery cell (30) comprising a first straight portion (31) and two first bending portions (32) located at two opposite ends of the first straight portion (31) in a second direction (Y); in the first direction (X), a first gap (33) is formed between every two adjacent first bending portions (32); in the second direction (Y), part of each second battery cell (40) is provided in a first gap (33). In the second direction (Y), the second battery cells (40) and the first battery cell groups (301) are closely arranged, and the size of the box body (10) in the second direction (Y) can be reduced.
Resumen de: WO2026016154A1
The present application provides a battery cell (20), a battery (100), and an electric device. The battery cell (20) comprises an electrode assembly (23) and a buffer member (24); the electrode assembly (23) comprises a first electrode sheet (231), a second electrode sheet (232), and a separator (233); the first electrode sheet (231), the second electrode sheet (232), and the separator (233) are wound in a winding direction (X) to form a winding body (23b), and a central hole (23b1) is formed at the center of the winding body (23b) in a winding axial direction (Y); the buffer member (24) is at least partially arranged in the central hole (23b1), and the buffer member (24) is connected to the first electrode sheet (231) and/or the second electrode sheet (232). In the embodiments of the present application, the buffer member (24) can support the first electrode sheet (231) and the second electrode sheet (232) in the central hole (23b1) of the winding body (23b), and can effectively mitigate the problem of loosening of the first electrode sheet (231) and the second electrode sheet (232) in the innermost circle of the winding body (23b).
Resumen de: WO2026016095A1
A pouch cell assembly (100) and a battery pack. The pouch cell assembly (100) comprises pouch cells (10), a heat conducting member (20), and a heat dissipating member (30). Each pouch cell (10) comprises a tab sealing edge (12). The heat conducting member (20) is in contact with the tab sealing edge (12). The heat conducting member (20) is further in contact with the heat dissipating member (30) to transfer heat at the tab sealing edge (12) to the heat dissipating member (30).
Resumen de: US20260024857A1
A method of manufacturing an electrical energy storage system includes procuring a sheet metal blank. The method also includes bending the sheet metal blank to form a tray having at least a first wall, a second wall, and a bottom, with the first wall extending generally perpendicularly from the bottom and the second wall extending generally perpendicularly from the bottom. A plurality of electrical storage elements are placed in the interior of the tray. A beam may pass through an interior of the tray and may be affixed to a first structural element and a second structural element of a vehicle.
Resumen de: US20260025017A1
The present invention provides a battery discharge apparatus including: a discharge unit; a monitoring unit including a plurality of power detecting units connected to the discharge unit in parallel and connected to a plurality of batteries, respectively; a plurality of temperature sensors connected to the monitoring unit and sensing a temperature of the plurality of batteries; and a plurality of gas sensors connected to the monitoring unit and sensing a gas of the plurality of batteries.
Resumen de: US20260025018A1
A lawn mower includes a drive wheel, a mowing deck including a cutting blade, a wheel motor operable to rotate the drive wheel, a cutting blade motor operable to rotate the cutting blade, and a battery system. The battery system includes a battery configured to power the wheel motor and the cutting blade motor and a battery controller communicably coupled to the battery. The battery controller includes one or more processors and memory storing instructions that, when executed by the one or more processors, cause the one or more processors to determine an electric current threshold for the battery, broadcast a message comprising the electric current threshold, compare an actual electric current of the battery to the electric current threshold, and adjust an operation of the battery system in response in response to determining that the actual electric current of the battery exceeds the electric current threshold for a predetermined amount of time.
Resumen de: US20260025015A1
A protection circuit of battery and an operating method thereof are disclosed. The protection circuit of battery has a current sensing pin coupled to a path node. The path node, a battery cell and a protection switch are coupled in series. The protection circuit includes a disconnection detection circuit and a first over-current protection circuit. The disconnection detection circuit is coupled to the current sensing pin and provides a first detection signal. The first over-current protection circuit is coupled to the disconnection detection circuit and generates a first protection signal according to the first detection signal to turn off the protection switch. When the current sensing pin is disconnected from the path node, the first detection signal causes the first over-current protection circuit to generate the first protection signal.
Resumen de: US20260024775A1
A modified lithium-rich manganese-based material, a modification method of a lithium-rich manganese-based material, a secondary battery and an electrical device are provided. The modified lithium-rich manganese-based material includes a lithium-rich manganese-based material co-doped with anion and cation and a fast ionic conductor material. The lithium-rich manganese-based material has a chemical formula of xLi2MnO3·(1−x)LiNiyCozMnaO2, where 0
Resumen de: US20260024765A1
The input-output characteristics of a lithium-ion battery are improved. In coated lithium-transition metal oxide particles, at least a part of the surfaces of lithium-transition metal oxide particles are coated with a copolymer which is represented by the formula (1) and which has a weight average molecular weight of 200,000 to 600,000, and the copolymer is cross-linked by ring opening of an oxetane ring. In the formula (1), m and n represent a number of one or more. R1 and R2 represent a hydrogen atom or a methyl group. R3 represents an alkyl group having one to five carbon atoms. R4 represents an alkanediyl group having one to five carbon atoms. R5 represents a hydrogen atom or an alkyl group having one to five carbon atoms.
Resumen de: US20260024823A1
A secondary battery includes an electrode assembly and an electrolyte, where the electrode assembly includes a positive electrode plate, and a separator; the positive electrode plate includes a positive electrode active material layer; the positive electrode active material layer includes a positive electrode active material; the positive electrode active material includes a transition metal element; the transition metal element includes at least one of Co, Ni, Mn, Fe, or V; and the separator includes a base film, where a thickness of the base film is D μm, and 3≤D≤7. The secondary battery includes an electrolyte nitrile-containing additive and a positive electrode nitrile-containing additive, where based on a mass of the electrolyte, a mass percentage of the electrolyte nitrile-containing additive is x %, and based on a mass of the positive electrode active material layer, a mass percentage of the positive electrode nitrile-containing additive is y %; where x+y=z, 0.3≤z≤3.3, 0≤x≤2.3, and 0
Resumen de: US20260024762A1
A negative electrode plate, a secondary battery, and an electric apparatus. The negative electrode plate includes a current collector and a negative electrode film layer disposed on at least one side of the current collector, where the negative electrode film layer includes one or more active material layers, a negative electrode active material in the negative electrode film layer includes a first graphite negative electrode active material, a BET specific surface area of the first graphite negative electrode active material is denoted as A, and a BET specific surface area of the negative electrode active material in the negative electrode film layer is denoted as B, where A≤B, or a BET specific surface area of a material forming the negative electrode film layer is denoted as B′, where A
Resumen de: US20260024820A1
A separator and a preparation method therefor, an electrode assembly, a secondary battery, a battery module, a battery pack and an electrical apparatus are disclosed. The separator comprises: a first microporous base membrane, a second microporous base membrane, and a coating disposed between the first microporous base membrane and the second microporous base membrane, wherein the coating comprises lithium-rich particles, and the ratio of the average particle size Dv50 of the lithium-rich particles to the thickness of the coating is 1:(1-15).
Nº publicación: WO2026015930A1 22/01/2026
Solicitante:
NOVALITH TECH PTY LTD [AU]
NOVALITH TECHNOLOGIES PTY LTD
Resumen de: WO2026015930A1
According to the invention there is provided a process comprising admixing lithium iron phosphate (LFP), an oxidizing agent, carbon dioxide, and water; separating an aqueous solution that includes lithium carbonate and/or lithium bicarbonate from the admixture.
BOPI
Sede Electrónica
